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Blockchain Engineer

Blockchain Engineer

rollco digital
3-5 Years
Early Applicant
  • Posted 5 months ago
  • Be among the first 10 applicants

Job Description

The Role

  • Extend or customize the Geth client (or Rust-based executor) to index liquidity pools directly from on-chain state.
  • Develop an EVM-based swap simulator to compare swap outcomes across multiple DEXs(Uniswap, 1inch, ParaSwap, KyberSwap).
  • Implement routing algorithms (e.g., graph-based shortest path) to determine optimal swap paths.
  • Build high-performance transaction builder to generate, sign, and broadcast raw transactions.
  • Benchmark aggregator performance against leading API-based aggregators (1inch, Paraswap).
  • Optimize system performance for low latency and scalability.
  • Collaborate on building APIs or dashboards for exposing swap routes and analytics.

Ideal Profile

  • You have at least 3 years experience, ideally within a Software Engineer or System Architect role.
  • Proficiency in Golang and/or Rust programming.
  • Deep understanding of Ethereum internals, EVM execution, and Geth client architecture.
  • Experience with blockchain data parsing, state inspection, and transaction simulation.
  • Strong knowledge of DeFi protocols, especially Uniswap, Curve, Balancer, and other DEXs.

What's on Offer

  • Work alongside & learn from best in class talent
  • Work within a company with a solid track record of success
  • Opportunity to make a positive impact

More Info

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Key Skills

Geth client architecture

transaction simulation

state inspection

Uniswap

Curve

Ethereum internals

Balancer

EVM execution

blockchain data parsing

DeFi protocols

DEXs

About Company

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